Websites Powered by Cloudflare Rocket Loader
360,945 websites tracked using Cloudflare Rocket Loader (Performance) · support.cloudflare.com
Cloudflare Rocket Loader is a performance optimization tool that speeds up the site. Its official site is support.cloudflare.com. PoweredBy tracks the websites that use Cloudflare Rocket Loader across the public web; the tracked counts, adoption trend, and site list on this page are updated from our ongoing crawl of the performance ecosystem.
Usage trend
50K
100K
150K
Oct 2022
Oct 2023
Sep 2024
Sep 2025
Aug 2026
Domains observed using Cloudflare Rocket Loader in each month's HTTP Archive crawl,
Oct 2022 to Aug 2026 · peak 134,530 in Nov 2023. The tracked total above also
counts sites not re-crawled recently.
Core Web Vitals
LCP 2.2 s
INP 100 ms
CLS 0
TTFB 1000 ms
Median site among 109,839 Cloudflare Rocket Loader sites with Chrome UX data, p75 values, Aug 2026.
Top countries
United States
30,747
India
20,411
United Kingdom
15,016
Saudi Arabia
14,825
Brazil
13,494
Germany
12,434
Indonesia
11,700
Canada
11,691
Sites using Cloudflare Rocket Loader by audience country, Chrome UX Report.
Top sites by authority
9+
4% · 15 of 372 sites
8+
3% · 214 of 7,677 sites
7+
2% · 926 of 45,712 sites
6+
2% · 1,943 of 110,136 sites
5+
1% · 3,619 of 246,751 sites
The share of the web's most authoritative domains, by Open Page Rank tier, seen running Cloudflare Rocket Loader in recent crawls. Only 372 domains worldwide score 9 or higher.
Websites using Cloudflare Rocket Loader
| # | Domain | Open Page RankOPR | Est. monthly visits (US)Visits (US) | Keywords | First seen |
|---|---|---|---|---|---|
| 1 | cloudfront.net | 9.47/10 | - | - | Oct 2022 |
| 2 | github.io | 9.43/10 | 1,800 | 1 | Oct 2022 |
| 3 | blogspot.com | 9.39/10 | - | - | Oct 2022 |
| 4 | sciencedirect.com | 9.21/10 | 18,904,100 | 5,812,481 | Oct 2022 |
| 5 | un.org | 9.21/10 | 2,209,200 | 439,253 | Jan 2023 |
| 6 | stanford.edu | 9.19/10 | 3,302,700 | 5,160 | May 2023 |
| 7 | pages.dev | 9.14/10 | - | - | Oct 2022 |
| 8 | cornell.edu | 9.10/10 | 242,100 | 23,854 | Jul 2023 |
| 9 | canada.ca | 9.08/10 | 2,129,800 | 995,010 | Oct 2022 |
| 10 | unesco.org | 9.06/10 | 294,400 | 71,304 | Jul 2025 |
| 11 | vercel.app | 9.05/10 | - | - | Oct 2022 |
| 12 | census.gov | 9.04/10 | 1,526,700 | 227,460 | May 2025 |
| 13 | columbia.edu | 9.02/10 | 770,900 | 41,349 | May 2023 |
| 14 | netlify.app | 9.01/10 | 2 | 2 | Oct 2022 |
| 15 | uk.com | 9.00/10 | 2 | 12 | Oct 2022 |
| 16 | azureedge.net | 8.98/10 | - | - | May 2023 |
| 17 | constantcontact.com | 8.98/10 | 48,700 | 22,287 | Dec 2024 |
| 18 | texas.gov | 8.98/10 | 856,400 | 43,777 | Oct 2022 |
| 19 | cmu.edu | 8.97/10 | 436,800 | 81,774 | Oct 2022 |
| 20 | elsevier.com | 8.93/10 | 344,600 | 88,582 | Oct 2022 |
| 21 | jhu.edu | 8.93/10 | 177,400 | 6,915 | Oct 2022 |
| 22 | ipcc.ch | 8.93/10 | 80,900 | 48,331 | Aug 2026 |
| 23 | utexas.edu | 8.92/10 | 503,000 | 11,984 | Aug 2026 |
| 24 | uol.com.br | 8.92/10 | 33,600 | 42,015 | Jun 2025 |
| 25 | techtarget.com | 8.91/10 | 2,092,900 | 338,991 | Oct 2022 |
| 26 | termly.io | 8.88/10 | 155,200 | 8,893 | Nov 2025 |
| 27 | azurewebsites.net | 8.87/10 | - | - | Oct 2022 |
| 28 | us.com | 8.86/10 | 32 | 9 | Mar 2023 |
| 29 | shorturl.at | 8.86/10 | 61,100 | 1,340 | Oct 2022 |
| 30 | it.com | 8.81/10 | - | - | Oct 2022 |
| 31 | gumroad.com | 8.80/10 | 14,100 | 9,120 | Oct 2022 |
| 32 | squareup.com | 8.80/10 | 1,029,000 | 164,769 | Aug 2026 |
| 33 | utah.gov | 8.80/10 | 129,900 | 27,432 | Aug 2026 |
| 34 | unep.org | 8.78/10 | 189,100 | 71,991 | Oct 2022 |
| 35 | odoo.com | 8.77/10 | 63,000 | 27,307 | Apr 2024 |
| 36 | eu.com | 8.77/10 | - | - | Oct 2022 |
| 37 | onesignal.com | 8.76/10 | 6,600 | 4,280 | Oct 2022 |
| 38 | web.app | 8.76/10 | - | - | Oct 2022 |
| 39 | rutgers.edu | 8.75/10 | 147,400 | 31,478 | Oct 2022 |
| 40 | lovable.app | 8.73/10 | - | - | Mar 2025 |
| 41 | ucsb.edu | 8.71/10 | 73,800 | 11,445 | Mar 2023 |
| 42 | chicagotribune.com | 8.70/10 | 432,500 | 453,594 | Oct 2022 |
| 43 | ucsf.edu | 8.70/10 | 162,500 | 56,785 | Feb 2026 |
| 44 | in.net | 8.69/10 | - | - | Oct 2022 |
| 45 | pitt.edu | 8.69/10 | 62,900 | 8,815 | Dec 2023 |
| 46 | documentcloud.org | 8.68/10 | 30,500 | 11,422 | May 2025 |
| 47 | co.com | 8.67/10 | - | - | Oct 2022 |
| 48 | delaware.gov | 8.67/10 | 128,800 | 12,757 | Aug 2026 |
| 49 | altervista.org | 8.66/10 | - | - | Oct 2022 |
| 50 | gitlab.io | 8.64/10 | - | - | Dec 2024 |
| 51 | cdnfonts.com | 8.63/10 | 8,000 | 13,177 | Nov 2022 |
| 52 | lenovo.com | 8.62/10 | 2,565,500 | 423,775 | Oct 2022 |
| 53 | charitynavigator.org | 8.62/10 | 235,600 | 87,937 | Oct 2022 |
| 54 | com.de | 8.62/10 | 5 | 14 | Oct 2022 |
| 55 | colostate.edu | 8.62/10 | 189,200 | 11,352 | Oct 2022 |
| 56 | workers.dev | 8.61/10 | - | - | May 2024 |
| 57 | thehindu.com | 8.60/10 | 415,000 | 333,882 | Oct 2022 |
| 58 | iastate.edu | 8.60/10 | 161,300 | 18,508 | Oct 2022 |
| 59 | cn.com | 8.59/10 | 17 | 8 | Mar 2026 |
| 60 | krakow.pl | 8.59/10 | 690 | 649 | Jul 2023 |
| 61 | sa.com | 8.58/10 | - | - | Oct 2022 |
| 62 | garmin.com | 8.58/10 | 1,027,200 | 249,401 | Oct 2022 |
| 63 | alberta.ca | 8.58/10 | 115,900 | 65,281 | Jun 2026 |
| 64 | neocities.org | 8.57/10 | 23,000 | 6,887 | Oct 2022 |
| 65 | nydailynews.com | 8.57/10 | 162,200 | 254,817 | Oct 2022 |
| 66 | rsf.org | 8.56/10 | 45,600 | 15,514 | Oct 2022 |
| 67 | mordorintelligence.com | 8.56/10 | 22,600 | 27,722 | Oct 2022 |
| 68 | estadao.com.br | 8.56/10 | 19,800 | 38,709 | Jul 2024 |
| 69 | martech.org | 8.53/10 | 13,700 | 14,131 | Oct 2024 |
| 70 | za.com | 8.53/10 | - | - | Oct 2022 |
| 71 | jp.net | 8.52/10 | 66 | 7 | Dec 2022 |
| 72 | doordash.com | 8.51/10 | 7,605,200 | 3,556,544 | Oct 2022 |
| 73 | eu.org | 8.51/10 | - | - | Oct 2022 |
| 74 | hostingersite.com | 8.49/10 | - | - | Jun 2025 |
| 75 | fastly.net | 8.49/10 | - | - | Sep 2023 |
| 76 | thehackernews.com | 8.48/10 | 51,000 | 29,270 | Oct 2022 |
| 77 | computerweekly.com | 8.48/10 | 16,900 | 22,336 | Oct 2022 |
| 78 | denverpost.com | 8.48/10 | 284,000 | 251,780 | Oct 2022 |
| 79 | mercurynews.com | 8.48/10 | 214,600 | 245,325 | Oct 2022 |
| 80 | nypl.org | 8.47/10 | 694,800 | 129,390 | Oct 2022 |
| 81 | poznan.pl | 8.47/10 | 320 | 564 | Oct 2022 |
| 82 | de.com | 8.46/10 | - | 2 | May 2023 |
| 83 | niemanlab.org | 8.46/10 | 46,100 | 21,415 | May 2025 |
| 84 | insidehighered.com | 8.46/10 | 95,000 | 58,410 | Oct 2022 |
| 85 | rainn.org | 8.46/10 | 73,900 | 8,820 | Feb 2026 |
| 86 | american.edu | 8.46/10 | 286,700 | 75,538 | Jul 2025 |
| 87 | adl.org | 8.45/10 | 415,400 | 67,022 | Jun 2026 |
| 88 | adaa.org | 8.45/10 | 97,300 | 27,773 | Oct 2022 |
| 89 | ballotpedia.org | 8.45/10 | 1,798,700 | 456,841 | Dec 2022 |
| 90 | rit.edu | 8.44/10 | 158,100 | 87,161 | Mar 2025 |
| 91 | kadencewp.com | 8.41/10 | 4,700 | 6,743 | Oct 2022 |
| 92 | uk.net | 8.41/10 | - | - | Nov 2024 |
| 93 | heritage.org | 8.41/10 | 209,500 | 102,828 | Sep 2024 |
| 94 | wolterskluwer.com | 8.40/10 | 517,200 | 161,427 | Oct 2022 |
| 95 | adb.org | 8.40/10 | 27,000 | 13,792 | Oct 2022 |
| 96 | thenation.com | 8.40/10 | 97,400 | 68,627 | Oct 2022 |
| 97 | us.org | 8.39/10 | - | 2 | Oct 2022 |
| 98 | therecord.media | 8.38/10 | 18,700 | 11,469 | Oct 2022 |
| 99 | coolors.co | 8.38/10 | 694,400 | 64,939 | Oct 2022 |
| 100 | pp.ua | 8.37/10 | 22 | 5 | Oct 2022 |
Open Page Rank is the domain's authority score (0 to 10, from the open web link graph); the list is ordered by it and covers sites seen in recent crawls. Visits and keywords are estimated US organic search figures.
Download top 10,000 as CSV (zip) →
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